@article{sisepidemicmodelbirthanddeathmarkov,
  title = {SIS Epidemic Model: Birth-and-Death Markov Chain Approach},
  author = {A. H. Nzokem},
  year = {2021},
  eprint = {2102.08992},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2102.08992v1},
}